紧张 (jǐn zhāng)

nervous; keyed up; intense; tense; strained; in short supply; scarce;

Character breakdown

紧 (jǐn) · 10 strokes

Simplified form of 緊. Phonosemantic compound. 臤 represents the sound, while 糸 represents the meaning.
张 (Zhāng) · 7 strokes

Simplified form of 張. Phonosemantic compound. 弓 represents the meaning and 長 represents the sound.